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The PSR control chip

Primary Side Regulation Controller

Porduct
Number

Max Oper
Frequency

Drive
Device

Max
Vdd

Freq. Shuffling

Standby
Power

CV

CC

Cable compensation

Inductance
compensation

VDD OVP

OLP
SCP

Package

Download

SL2901

55KHz

MOSFET

28V

Y

<200mW

5%

5%

Y

Y

A

A

SOT23-6

Datasheet

LY2921

100KHz

BJT

28V

Y

<50mW

5%

6%

Y

Y

A

A

SOT23-6

Datasheet

LY2961

100KHz

BJT

26V

Y

<100mW

5%

5%

Y

Y

A

A

SOT23-5

NEW

LY2963

100KHz

MOSFET

25V

Y

<100mW

5%

5%

Y

Y

A

A

SOT23-6

NEW

LY2965

90KHz

MOSFET

23V

Y

<75mW

5%

5%

Y

Y

A

A

SOP-8

NEW

LY2971

70KHz

BJT

25V

Y

<100mW

5%

6%

Y

Y

A

A

SOT23-6

NEW

LY2981

85KHz

BJT

25V

Y

<30mW

5%

5%

Y

Y

A

A

SOT23-6

NEW

LY2983

85KHz

BJT

25V

Y

<30mW

5%

5%

Y

Y

A

A

SOP-8

NEW

LY2984

85KHz

BJT

25V

Y

<30mW

5%

5%

Y

Y

A

A

SOP-8

NEW

LY2991

100KHz

MOSFET

25V

Y

<75mW

5%

5%

Y

Y

A

A

SOT23-6

NEW

 


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